The Network GigaCon 2011 conference
Date: 31 May 2011
Voice-over-IP telephony brings a lot of advantages, which year after year a lot of companies around the World decide to leverage. VoIP telephony not only allows reducing the costs related to international calls or calls between companies’ various locations, but allows to increase mobility of their users as well as to implement a number of services which even do not exist, or are difficult to implement in a traditional Plain-Old-Telephony-Service (POTS).

Unfortunately, besides obvious advantages and benefits, VoIP technologies introduce many new security risks, which can be much easier materialized than in case of analog telephony. The most important threats include unavailability of VoIP service, which may be the result of virus or intruder attack. For companies, to whom availability of telephony system is critical to perform business activities successful denial of service attacks may have very serious impact – from loss of productivity up to lost customers and significant penalties under Service Level Agreements. For companies providing technical support or call center services denial of VoIP service may even be inability to operate and provide business services. On the other hand, even for small companies, where the unavailability of the telephone system is not as critical, the high financial losses due to unauthorized connections to POTS network may turn to be a real financial problem.

How difficult or easy it is to break VoIP security? What unauthorized activities intruders – from inside or outside the organization - may perform in relation to VoIP? How to test the security of organizations’ of VoIP services?

Lecture presented by our company during The Network GigaCon 2011 conference was an attempt to answer these and other issues related to security of VoIP services.

Materials (presentation and sample attacks scenarios) shown during conference can found here here.
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